Septic tanks - Study guides, Class notes & Summaries

Septic tanks were introduced in the United States in the _______.  1880s The beginning of statewide regulation of the OSSFs across Texas was ________. A. November 1987 B. April 1989 C. September 1989 D. March 1985  C True or False: Before 1989, Texas had no statewide regulation.  True True or False: The law gives the local government the right to adopt local regulations that are more stringent than the state OSSF law or rules. 2 0 2 4 /2025 | © copyright | This work ma...

What is the depth at which flies can emerge from a landfill? - 6 inches compacted and 5 inches noncompacted Why is the use of cooper sulfate crystals recommended for some septic tanks systems - It will destroy roots that the solutions comes in contact with What is the overall purpose of bar screens, comminutors, and grit chambers when it comes to wastewater treatment? - It removes larger solid What is the most plentiful form of available water? - Groundwater What are Waterborne Diseases? ...

1. Water resources in Texas include lakes, rivers, bays, estuaries, wetlands, groundwater, and stormwater runoff. a. true b. false - b 2. Water pollutants include organic and inorganic material, heat, and radiation. a. true b. false - a 3. In Texas, clean water is needed to provide for human consumption and recreation, maintain aquatic habitats for wildlife, supply bays with fresh water, recharge groundwater, and provide for industry. a. true b. false - a 4. Two ...

Biochemical Oxygen Demand -ANSWERorganic strength measured by amount of oxygen consumed over time composite sample -ANSWERsample combined from multiple grab samples grab sample -ANSWER1 sample representative of current conditions Dissolved Oxygeb -ANSWERmeasure of the amount of oxygen dissolved in water (mg/l) effluent -ANSWERtreated water discharged from a treatment plant eutrophication -ANSWERexcissive growth of plant/algae in receiving waters due to dissolved nutrients and thei...

REHS Study Guide Questions And Answers All Correct What is the depth at which flies can emerge from a landfill? - ANS 6 inches compacted and 5 inches noncompacted Why is the use of copper sulfate crystals recommended for some septic tanks systems - ANS It will destroy roots that the solutions comes in contact with What is the overall purpose of bar screens, comminutors, and grit chambers when it comes to wastewater treatment? - ANS It removes larger solid What is the most ...

Master Plumber Exam 1 With Solutions 100% Solved Sedimentation Term defined as the settling down or separation of solid matter suspended in a liquid. 1% Minimum slope or grade (in %) permitted with 100mm (4'') pipes. Scum Lighter organic solid particles found in sewage, cesspools and septic tanks, found floating on the liquid. Sludge Term defined as the organic particles that have settled down in septic tanks, cesspools or sewage. 900 mm Minimum WIDTH of a septic tank for resi...

REHS 2023/ 2024 Exam| Questions and Verified Answers| 100% Correct |Grade A (Latest Update) Q: To prepare a solution of 100 mg per liter available chlorine, _____ of 5.25% bleach with one gallon of water should be used. a. 0.5 oz b. 1.0 oz c. 0.33 oz d. 0.25 oz Answer: 0.25 oz Q: The detention time for waste water in a septic tank is recommended to be a. 6 to 12 hours b. 24 to 72 hours c. 1 week d. none of the above Answer: 24 to 72 hours Q: One of the m...

Treatment capacity for septic tanks are sized by .... - ANS> daily (24 hour) peak flow volume Minimum septic tank size - ANS> 1000 gallons Garbage grinders require an increased tank capacity of - ANS> 50 percent Tees in tanks are constructed so they extend a minimum of ________ and a max of _________ into the liquid - ANS> 25 percent, 50 percent Outlet tees shall be equip with an .... - ANS> effluent filter The walls and bottom of a septic tank must be ________ - AN...

usts underground storage tanks used to hold hazardouse substances are exempt from regualtion when? CORRECT ANSWER 110 galloons are exempt from regulatory management- but if known it does need to be disclosed. 1.100 gallons used fro noncommercial use are exempt- septic tanks for waterway and or excess storm water are also exempt from regulation licensees shall not refuse CORRECT ANSWER shall refuse to draft and or submit any written proposal unless the terms of the written proposal would be co...

Master Plumber Exam 1 Questions and Answers Sewage Ejector -answerType of pump that discharges waste in the sump pit and transfers the waste to the house drain. (Max Fajardo) 503 mm -answerMinimum dimension of a septic tank manhole. Industrial drain -answerdrain that discharges objectionable waste such as acids and other chemicals from industrial equipment . 75 mm -answerMinimum diameter of pipe of any water closet. 3 -answerMaximum number of water closets able to discharge into a shared...